反应详情

The same operation as in Example (217c) was performed using ethyl 3-(3-aminoazetidin-1-yl)benzoate obtained in Example (223b) (114 mg, 0.52 mmol), 4-chloro-5-ethyl-1H-imidazole-2-carboxylic acid obtained in Example (1d) (90 mg, 0.52 mmol), WSC hydrochloride (298 mg, 1.55 mmol), 1-hydroxybenzotriazole (70 mg, 0.52 mmol) and N-methylmorpholine (0.11 mL, 1.04 mmol), to obtain 87 mg of the title compound as a gray white solid (45%).